Blender base



FIG. 1 is a main view of the blender base:

FIG. 2 is a front view of the blender base;

FIG. 3 is a rear view of the blender base;

FIG. 4 is a left side view of the blender base;

FIG. 5 is a right side view of the blender base;

FIG. 6 is a top view of the blender base; and,

FIG. 7 is a bottom view of the blender base.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a blender base, as shown and described. 